Content-Type: text/html; charset=UTF-8
Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:31:53
WDS:
CHR232AA,AB
WDS ID/Discoverer
P:
16.468
Orbital period (years)
a:
0.0933
Semi-major axis (arcseconds)
i:
123.9
Inclination (degrees)
Ω:
10.4
Longitude of ascending node (degrees)
T:
2011.536
Epoch of periastron passage (year)
e:
0.419
Eccentricity
ω:
321.6
Longitude of periastron (degrees)
Start-Year:
2017.0
Year
End-Year:
2033.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
153309.52-242925.6
Epoch-2000 right ascension and declination
WDS-ID:
15332-2429
WDS designation
Discoverer Code:
CHR232AA,AB
Discover designation and components
ADS number:
9689
Aitken Double Star catalog
HD number:
138488
HD catalog number
Hipparcos number:
76143
Hipparcos catalog number
V1:
7.2
Magnitude of the primary
V2:
8.8
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
Date of last observation
Orbit grade:
3
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.086 174.5
-------------------------
2017.0 0.078 243.6
2018.0 0.093 230.3
2019.0 0.106 220.4
2020.0 0.115 212.6
2021.0 0.121 205.7
2022.0 0.122 199.2
2023.0 0.117 192.6
2024.0 0.106 184.9
2025.0 0.086 174.5
2026.0 0.059 155.7
2027.0 0.034 104.6
2028.0 0.046 34.4
2029.0 0.060 1.8
2030.0 0.058 335.0
2031.0 0.055 304.6
2032.0 0.060 274.5
This result is provided without warranty. For all terms, see the Full Disclaimer .
Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0 .
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory .
www.stella-vega.de